Summary of "Components of the Ecosystem | Science videos | iKen | iKen Edu | iKen App"
Ecosystem Definition and Types
- An Ecosystem is a dynamic system comprising both biotic and abiotic components, influencing each other and essential for maintaining life.
- Ecosystems can be classified as:
- Natural or Artificial
- Temporary or Permanent
- Terrestrial Ecosystems (e.g., forests, grasslands, deserts)
- Aquatic Ecosystems (e.g., ponds, lakes, marine estuaries)
Components of Ecosystems
- Biotic Components:
- Producers: Autotrophic organisms (e.g., green plants, photosynthetic bacteria) that produce energy through photosynthesis.
- Consumers: Heterotrophic organisms that depend on producers for energy:
- Primary Consumers: Herbivores (e.g., insects, rabbits, cows)
- Secondary Consumers: Carnivores that eat herbivores (e.g., foxes, snakes)
- Tertiary Consumers: Top carnivores (e.g., lions, hawks)
- Decomposers: Organisms (e.g., fungi, bacteria) that break down dead organic material, recycling nutrients.
- Abiotic Components:
- Climatic Factors: Temperature, humidity, rainfall, and snowfall.
- Edaphic Factors: Soil composition and structure, which affect nutrient availability and organism distribution.
Key Processes and Adaptations
- Hydrologic Cycle: The movement of water through the biosphere, essential for life.
- Temperature Adaptations: Organisms develop physiological and behavioral adaptations to survive in varying temperature conditions.
- Water Balance: Essential for all living organisms; adaptations vary among species to maintain hydration.
- Light and Photoperiodism: Light influences photosynthesis and the reproductive cycles of plants and animals.
- Soil Composition: The mineral content and pH of soil affect the types of organisms that can thrive in an Ecosystem.
- Topography: Physical features of the landscape influence the distribution of organisms.
Conclusion
An Ecosystem requires both biotic and abiotic components to function effectively, highlighting their interdependence.
Featured Researchers/Sources
- Sir Arthur Tansley (Ecosystem concept originator)
Category
Science and Nature